Finding the Fourth Proportional to 455,820.08, 683,730.60 and 118,860.44
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Solution
The fourth proportional to 455,820.08, 683,730.60 and 118,860.44 is: 178,290.79
Step by Step Solution
- Step 1: Write the proportion equation
455,820.08 : 683,730.60 = 118,860.44 : x - Step 2: Convert to fraction form
455,820.08/683,730.60 = 118,860.44/x - Step 3: Cross multiply
455,820.08x = 683,730.60 × 118,860.44 - Step 4: Simplify right side
455,820.08x = 81,268,519,957.46 - Step 5: Solve for x
x = 81,268,519,957.46/455,820.08 - Step 6: Final answer
x = 178,290.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.